中国的崛起和俄罗斯的复兴挑战了自由民主是唯一可行的政府形式的观念。
The rise of China and the resurgence of Russia have challenged the idea that liberal democracy is the only viable form of government.
智能化不是替代人类，而是增强人类的能力。
Innovation is the lifeblood of any business that wants to stay ahead.
我不喜欢被告诉不能做什么。
"To live is the rarest thing in the world. Most people exist, that is all."
不要担心你在数学上遇到的困难；我敢保证我遇到的困难比你还大得多。
I respect all my opponents because they make me better.